"Having a strong sense of purpose in life has been linked to many psychological benefits, such as higher levels of well-being, life satisfaction, self-acceptance, self-esteem, sense of control, and optimism. Conversely, lack of purpose is associated with depression and self-derogation. 

"Purpose seems to be a net positive in and of itself. But when the future is uncertain, we may struggle to define what exactly our purpose is. When unfruitful, this search for purpose can lead to existential distress, which the Austrian psychiatrist and Holocaust survivor Viktor Frankl called “noögenic neurosis” — also known as purpose anxiety." - Anne-Laure Le Cunff

Article: Purpose Anxiety: The Fear of Not Knowing Your Purpose in Life